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CN110317132B - Preparation method of sodium phenylbutyrate - Google Patents

Preparation method of sodium phenylbutyrate Download PDF

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CN110317132B
CN110317132B CN201910681637.4A CN201910681637A CN110317132B CN 110317132 B CN110317132 B CN 110317132B CN 201910681637 A CN201910681637 A CN 201910681637A CN 110317132 B CN110317132 B CN 110317132B
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sodium phenylbutyrate
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silica gel
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吴晓进
郑可旺
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Nanjing Tech University
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/41Preparation of salts of carboxylic acids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D215/00Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
    • C07D215/02Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
    • C07D215/16Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D215/38Nitrogen atoms
    • C07D215/40Nitrogen atoms attached in position 8

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Abstract

本发明公开了一种苯丁酸钠的制备方法。本发明通过在惰性气氛下,将材料和无水2,3‑丁二醇加入到反应容器中混匀;所述相关材料包括氯化烯丙基钯(II)二聚体、2‑(二环己基膦酰基)‑1‑苯基‑1H‑吡咯、N‑(八氨基喹啉)丁‑3‑烯酰胺、醋酸锂、溴苯、氰乙酸以及水;将反应容器置于125~135℃油浴中剧烈搅拌反应12小时,将反应产物经过硅胶柱纯化,得到带有导向基团的化合物;将化合物加入到含有氢氧化钠的乙醇溶剂中,并将混合物加热至130~140℃回流反应12小时,反应产物经减压蒸馏除去溶剂、萃取、收集水层、减压蒸馏除去水,得到苯丁酸钠制剂。本发明具有反应区域选择性及得率高、反应条件温和、反应及后处理纯化过程简单的特点。The invention discloses a preparation method of sodium phenylbutyrate. In the present invention, materials and anhydrous 2,3-butanediol are added into a reaction vessel and mixed under an inert atmosphere; the related materials include allylpalladium(II) chloride dimer, 2-(dimer) cyclohexylphosphono)-1-phenyl-1H-pyrrole, N-(octaaminoquinoline)but-3-enamide, lithium acetate, bromobenzene, cyanoacetic acid and water; place the reaction vessel at 125~135℃ The reaction was vigorously stirred in an oil bath for 12 hours, and the reaction product was purified by a silica gel column to obtain a compound with a guiding group; the compound was added to an ethanol solvent containing sodium hydroxide, and the mixture was heated to 130-140 ° C for reflux reaction After 12 hours, the solvent of the reaction product was distilled off under reduced pressure, extracted, the aqueous layer was collected, and the water was distilled off under reduced pressure to obtain a sodium phenylbutyrate preparation. The invention has the characteristics of high reaction zone selectivity and yield, mild reaction conditions, simple reaction and post-processing purification process.

Description

Preparation method of sodium phenylbutyrate
Technical Field
The invention belongs to the technical field of organic chemistry, and particularly relates to a preparation method of sodium phenylbutyrate.
Background
Sodium phenylbutyrate is a prodrug that is rapidly metabolized to phenylacetate. It can combine with glutamic acid and ammonia to produce phenylacetylglutamine, which is excreted by the kidney as yet another route for the excretion of nitrogenous wastes. Administration of sodium phenylbutyrate results in excessive blood ammonia and blood glutamate levels being reduced to form phenylacetylglutamine which increases the excretion of nitrogenous wastes. Is suitable for all the patients with enzyme deficiency of newborn (complete enzyme deficiency in 28 days after birth) and delayed enzyme deficiency with family history of high blood ammonia encephalopathy (partial enzyme deficiency after the first month of birth).
However, the existing synthetic method of sodium phenylbutyrate generally has the problems of more synthetic steps, poor reaction region selectivity, low product yield, mild reaction conditions, complex reaction and post-treatment purification processes and the like.
Disclosure of Invention
The invention aims to provide a preparation method of sodium phenylbutyrate, and aims to overcome the defects in the prior art.
The invention is realized in such a way that a preparation method of sodium phenylbutyrate comprises the following steps:
(1) under an inert atmosphere, mixing the material and anhydrous 2, 3-butanediol according to a molar volume ratio of 0.1 mmol: 1mL of the solution is added into a reaction container and mixed evenly; wherein the related materials comprise a molar ratio of 1: (1-3): (0.01-0.1): (0.02-0.2): (1-5): (1-3): (1-100) N- (octaaminoquinoline) but-3-enamide, bromobenzene, allylpalladium (II) chloride dimer, 2- (dicyclohexylphosphono) -1-phenyl-1H-pyrrole, lithium acetate, cyanoacetic acid and water;
(2) placing the reaction container in an oil bath at 125-135 ℃ and violently stirring for reaction for 12 hours, and purifying a reaction product through a silica gel column to obtain a compound with a guide group;
(3) adding the compound into an ethanol solvent containing sodium hydroxide, and heating the mixture to 130-140 ℃ for reflux reaction for 12 hours; wherein the molar ratio of the compound to the sodium hydroxide to the ethanol is 1: (1.5-4): (5-50); and (3) distilling the reaction product under reduced pressure to remove the solvent, extracting, collecting a water layer, and distilling under reduced pressure to remove water to obtain the sodium phenylbutyrate preparation.
Preferably, in step (1), the inert gas used in the inert atmosphere is argon.
Preferably, in step (2), the silica gel column purification is a 1:20 petroleum ether to ethyl acetate wash chromatography silica gel column.
Preferably, in the step (3), the pressure of the reduced pressure distillation is within 100mbar, and the temperature is more than 80 ℃; the extraction was by addition of dichloromethane.
In order to overcome the defects and steps in the prior art, the invention discloses a preparation method of sodium phenylbutyrate. In the invention, the material and anhydrous 2, 3-butanediol are mixed in an inert atmosphere according to a molar volume ratio of 0.1 mmol: 1mL of the solution is added into a reaction container and mixed evenly; wherein the relevant materials include allylpalladium (II) chloride dimer, 2- (dicyclohexylphosphono) -1-phenyl-1H-pyrrole, N- (octaaminoquinoline) but-3-enamide, lithium acetate, 4-bromobiphenyl, cyanoacetic acid, and water; and (3) placing the reaction container in an oil bath at 125-135 ℃ to violently stir for reaction for 12 hours, and purifying the reaction product by a silica gel column to obtain the compound 4-phenyl-N- (quinoline-8-yl) butyramide with the guide group.
The compound can be used for synthesizing sodium phenylbutyrate, and the synthesis reaction process of the sodium phenylbutyrate is as follows:
Figure BDA0002144907330000021
compared with the defects and shortcomings of the prior art, the invention has the following beneficial effects: according to the invention, through reduction HECK reaction, the octaaminoquinoline is designed as a compound of a guide group to control the region and chemical selectivity in the reaction, so that the problem of excessive steps in the existing sodium phenylbutyrate synthesis process is effectively solved; in addition, the method has the characteristics of high reaction area selectivity and yield, mild reaction conditions and simple reaction and post-treatment purification processes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
(1) Under an argon atmosphere, mixing the material and anhydrous 2, 3-butanediol according to a molar volume ratio of 0.1 mmol: 0.1mL of the solution is added into a reaction vessel and mixed evenly; wherein the related materials comprise a molar ratio of 1: 3: 0.01: 0.2: 5: 3: 100 of N- (octaaminoquinoline) but-3-enamide, bromobenzene, allylpalladium (II) chloride dimer, 2- (dicyclohexylphosphono) -1-phenyl-1H-pyrrole, lithium acetate, cyanoacetic acid and water;
(2) placing the reaction vessel in an oil bath at 125 ℃ and vigorously stirring for reacting for 12 hours, purifying the reaction product by a silica gel column (washing the silica gel column by using petroleum ether and ethyl acetate in a ratio of 1: 20) to obtain a compound with a guide group, and determining that the compound is 4-phenyl-N- (quinoline-8-yl) butyramide by detection.
Example 2
This embodiment is substantially the same as embodiment 1, with the difference that:
in step (1), the molar ratio of N- (octaaminoquinoline) but-3-enamide, bromobenzene, allylpalladium (II) chloride dimer, 2- (dicyclohexylphosphono) -1-phenyl-1H-pyrrole, lithium acetate, cyanoacetic acid and water is 1: 1: 0.1: 0.02: 1: 1: 1;
in step (2), the oil bath temperature was 130 ℃.
Example 3
This embodiment is substantially the same as embodiment 1, with the difference that:
in step (1), the molar ratio of N- (octaaminoquinoline) but-3-enamide, bromobenzene, allylpalladium (II) chloride dimer, 2- (dicyclohexylphosphono) -1-phenyl-1H-pyrrole, lithium acetate, cyanoacetic acid and water is 1: 2: 0.05: 0.1: 3: 2: 50;
in step (2), the oil bath temperature was 135 ℃.
Example 4
(1) Adding the 4-phenyl-N- (quinoline-8-yl) butanamide prepared in the example 2 into an ethanol solvent containing sodium hydroxide, and heating the mixture to 130-140 ℃ for reflux reaction for 12 hours; wherein the mol ratio of the 4-phenyl-N- (quinoline-8-yl) butyramide to the sodium hydroxide to the ethanol is 1: 4: 50;
(2) and (2) removing the solvent from the reflux reaction product in the step (1) by reduced pressure distillation (the pressure is within 100mbar and the temperature is more than 80 ℃), adding dichloromethane for extraction for 3 times, collecting a water layer, and removing the reaction solvent (mainly water) in the reaction product by a reduced pressure distillation method (the pressure is within 100mbar and the temperature is more than 80 ℃), thus obtaining the sodium phenylbutyrate preparation 1.
Example 5
This example is essentially the same as example 1, yielding sodium phenylbutyrate formulation 2, with the following differences: in the step (1), the molar ratio of the 4-phenyl-N- (quinoline-8-yl) butanamide to the sodium hydroxide to the ethanol is 1: 1.5: 5.
the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (4)

1.一种苯丁酸钠的制备方法,其特征在于,该方法包括以下步骤:1. a preparation method of sodium phenylbutyrate, is characterized in that, the method comprises the following steps: (1)在惰性气氛下,将材料和无水2,3-丁二醇按摩尔体积比0.1mmol:1mL加入到反应容器中混匀;其中,所述材料包括摩尔比为1:(1~3):(0.01~0.1):(0.02~0.2):(1~5):(1~3):(1~100)的N-(八氨基喹啉)丁-3-烯酰胺、溴苯、氯化烯丙基钯(II)二聚体、2-(二环己基膦酰基)-1-苯基-1H-吡咯、醋酸锂、氰乙酸以及水;(1) Under an inert atmosphere, add the material and anhydrous 2,3-butanediol in a molar volume ratio of 0.1 mmol: 1 mL to the reaction vessel and mix; wherein, the material includes a molar ratio of 1: (1~ 3): (0.01~0.1): (0.02~0.2): (1~5): (1~3): (1~100) N-(octaaminoquinoline)but-3-enamide, bromobenzene , allylpalladium(II) chloride dimer, 2-(dicyclohexylphosphono)-1-phenyl-1H-pyrrole, lithium acetate, cyanoacetic acid and water; (2)将反应容器置于125~135℃油浴中剧烈搅拌反应12小时,将反应产物经过硅胶柱纯化,得到带有导向基团的化合物;(2) placing the reaction vessel in an oil bath at 125~135°C and vigorously stirring the reaction for 12 hours, and purifying the reaction product through a silica gel column to obtain a compound with a guiding group; (3)将所述化合物加入到含有氢氧化钠的乙醇溶剂中,并将混合物加热至130~140℃回流反应12小时;其中,所述化合物、氢氧化钠、乙醇的摩尔比为1:(1.5~4):(5~50);将反应产物经减压蒸馏除去溶剂,萃取、收集水层,减压蒸馏除去水,得到苯丁酸钠制剂。(3) adding the compound into an ethanol solvent containing sodium hydroxide, and heating the mixture to 130-140° C. for reflux reaction for 12 hours; wherein, the molar ratio of the compound, sodium hydroxide and ethanol is 1:( 1.5-4): (5-50); the reaction product is distilled to remove the solvent under reduced pressure, the aqueous layer is extracted and collected, and the water is distilled off under reduced pressure to obtain a sodium phenylbutyrate preparation. 2.如权利要求1所述的苯丁酸钠的制备方法,其特征在于,在步骤(1)中,所述惰性气氛所用惰性气体为氩气。2. the preparation method of sodium phenylbutyrate as claimed in claim 1, is characterized in that, in step (1), the used inert gas of described inert atmosphere is argon. 3.如权利要求1所述的苯丁酸钠的制备方法,其特征在于,在步骤(2)中,所述硅胶柱纯化为用石油醚比上乙酸乙酯1:20冲刷色谱硅胶柱。3. the preparation method of sodium phenylbutyrate as claimed in claim 1, is characterized in that, in step (2), described silica gel column purification is to flush chromatographic silica gel column with petroleum ether ratio ethyl acetate 1:20. 4.如权利要求1所述的苯丁酸钠的制备方法,其特征在于,在步骤(3)中,所述减压蒸馏的压力为100mbar以内、温度为80℃以上;所述萃取为通过加入二氯甲烷进行萃取。4. the preparation method of sodium phenylbutyrate as claimed in claim 1, is characterized in that, in step (3), the pressure of described underpressure distillation is within 100mbar, temperature is more than 80 ℃; Described extraction is by Dichloromethane was added for extraction.
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1511133A (en) * 2001-05-21 2004-07-07 R������˹�� ˹̹��˹�� Synthesis of 4-phenylbutyric acid
CN1791606A (en) * 2003-05-16 2006-06-21 德古萨股份公司 Nitrogen-containing monodentate phosphines and their use in catalysis
CN108658857A (en) * 2018-06-14 2018-10-16 南京工业大学 Method for synthesizing carboxylic acid derivative

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1511133A (en) * 2001-05-21 2004-07-07 R������˹�� ˹̹��˹�� Synthesis of 4-phenylbutyric acid
CN1791606A (en) * 2003-05-16 2006-06-21 德古萨股份公司 Nitrogen-containing monodentate phosphines and their use in catalysis
CN108658857A (en) * 2018-06-14 2018-10-16 南京工业大学 Method for synthesizing carboxylic acid derivative

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
Nickel(0)-catalyzed linear-selective hydroarylation of unactivated alkenes and styrenes with aryl boronic acids;Honggui Lv;《Chem. Sci.》;20180718;第9卷;第6839-6843页 *
Nickel-Catalyzed β,γ-Dicarbofunctionalization of Alkenyl Carbonyl Compounds via Conjunctive Cross-Coupling;Joseph Derosa et al.;《J. Am. Chem. Soc.》;20170724;第139卷;第10657-10660页 *
Palladium-Catalyzed Regiocontrollable Reductive Heck Reaction of Unactivated Aliphatic Alkenes;Chengdong Wang et al.;《J. Am. Chem. Soc.》;20180620;第140卷;第9332-9336页 *
Three-component vicinal-diarylation of alkenes via direct transmetalation of arylboronic acids;Yun Zhang et al.;《Chem. Sci.》;20190703;第10卷;第7952-7957页 *

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